Clasp2 mRNA transcription pattern in adult zebrafish testis at widefield fluorescence microscopy. (a) DAPI staining marks cell nuclei. (b) Fluorescence in situ hybridization of clasp2 in adult zebrafish testis. (c) Fluorescence in situ hybridization of clasp2 and cell nuclei (DAPI). (d) High magnification of spermatozoa cell nuclei (DAPI). (e) High magnification of clasp2 expressing cells. (f) High magnification of fluorescence in situ hybridization of clasp2 and cell nuclei (DAPI). Abbreviations: Spz: spermatozoa; Spc: spermatocytes; Spg: spermatogonia (inside the dashed line) in adult zebrafish testis. Scale bars: 100 µ (a–c) and 25 µ (d–f).
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